Detnov CCD-108 Manuel D'installation Et Mode D'emploi page 57

6.3.5- Silence buzzer key (E)
This key silences the buzzer when it is active, and the silence buzzer indicator lights.
When the buzzer is re-activated, the silence buzzer indicator turns off.
6.3.6- Reset key (F)
Pressing this button causes the system to return to the normal condition.
6.3.7- Keypad locking key (G)
When the key is in the closed position, the keypad is locked and cannot be used. For
pressing buttons to take effect, you must put the key in the open position.
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